二十多年来,在毛主席革命路线指引下,有20多个省(区)市广泛开展了群众性杨树引种试验,经过鉴定,选出了一批适宜我国推广栽培的杨树优良品种,沙兰杨就是其中的一个。沙兰杨(Populus×euramericana(Dode)Guinier cv.‘Sacrau 79’)即萨克劳-79,属黑杨派的欧美杨类。1954年和1959年由中国科学院北京植物园、原中国林业科学研究院先后从德意志民主共和国引进北京。1960年中国科学院林业土壤研究所又从波兰高尼克植物园引入沈阳。二十多年来先后在北京、辽宁、河南、山西、河北、山东、江苏、宁夏、陕西、甘肃、新疆等省(市、区)进行了栽培试验。大量资料调查表明,其适应性较强,适生范围较 Over the past 20 years, under the guidance of Chairman Mao’s revolutionary line, more than 20 provinces (autonomous regions and municipalities) have conducted mass popularization tests of poplar trees. After identification, a batch of poplar varieties suitable for popularization and cultivation in China were selected Salmonella is one of them. Populus × euramericana (Dode) Guinier cv. ’Sacrau 79’) that is, Sacra -79, is a black poplar European and American poplar. 1954 and 1959 by the Chinese Academy of Sciences Beijing Botanical Garden, the former Chinese Academy of Forestry has introduced from Beijing, the German Democratic Republic. In 1960, the Chinese Academy of Forestry Institute of Forestry and Soil from Poland Botanical Garden introduced Nick Shenyang. Over the past 20 years in Beijing, Liaoning, Henan, Shanxi, Hebei, Shandong, Jiangsu, Ningxia, Shaanxi, Gansu, Xinjiang and other provinces (cities and districts) were cultivated. A large number of data survey showed that its adaptability, more suitable range